Craig,
Great info, if it is accurate. about a month ago, I asked my father inlaw who is a chemical engineer how I could increase the octane of fuel. Toulene and Xylene were the first 2 words out of his mouth. Also, I found a thread at cobranet. Someone there raced a car on weekends. the rules called for 100 octane max. he made his own by mixing automotive laquer thinner with high test. He said they experimented with this untill they reaced 100 octane. They knew this, because the track tests everyone's fuel before the race. I think it was 6oz to the gallon, but I'm not sure. I will try to find it again. thanks for the great link. I am glad someone did not just tell Jsattman to do a search of this subject. Whenever I see that, I cringe, because it discurages new information like the type you just shared.
Steve